<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form action="http://127.0.0.1/user">
        <label>用户名<input type="text" name="user"></label>
        <label>密码<input type="password" name="pwd"></label>
        <input type="submit" value="提交">
    </form>
</body>
</html>